Home / 34,665.39-52,004.57-13,890.51

Finding the Fourth Proportional to 34,665.39, 52,004.57 and 13,890.51

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Solution

The fourth proportional to 34,665.39, 52,004.57 and 13,890.51 is: 20,838.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,665.39 : 52,004.57 = 13,890.51 : x
  2. Step 2: Convert to fraction form
    34,665.39/52,004.57 = 13,890.51/x
  3. Step 3: Cross multiply
    34,665.39x = 52,004.57 × 13,890.51
  4. Step 4: Simplify right side
    34,665.39x = 722,369,930.18
  5. Step 5: Solve for x
    x = 722,369,930.18/34,665.39
  6. Step 6: Final answer
    x = 20,838.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.